These light blue XRAY 358285 rear springs are targeted at competitors who prefer predictable suspension feedback. The matched pair helps keep rear damping consistent so you can focus on suspension setup rather than component variance.
The linear wind profile delivers an even spring rate along the coil length, thanks to constant wire diameter. With a C=0.57 rating, the springs lean towards a softer response suited to finer adjustments and improved traction on mixed surfaces.
Each spring is cross-checked during production to ensure both units meet tight compression tolerances. That attention to matching reduces setup drift and helps maintain steady handling through race runs.
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